Head for laying optical fibers in alternating-lay grooves in a cylindrical core
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United States of America Patent
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May 12, 1987
Grant Date -
N/A
app pub date -
Oct 1, 1986
filing date -
Oct 1, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A head (10) for laying optical fibers (2) in alternating lay grooves (1A) in a cylindrical core (1), the head comprising a die-holder (11) interconnecting three dies: an inlet die (12); an indexing die (13) including indexing combs; and an insertion die (14); each optical fiber being guided through an orifice (12A) in the inlet die, then through an orifice (13A) in the indexing die, and finally being laid in a groove of the core by the insertion die, said head further including, upstream from the inlet die, a fixed mandrel (20) through which the core passes, said mandrel being constituted by a tube (21) having a front guide (22) disposed at its upstream end with the optical fibers passing through said front guide, said mandrel further including a series of rotating disks (23) located between said front guide and said inlet die.
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